Carlo Illario Fratelli for Bulgari, a gold and enamel pill box, second half 20th century, of

Carlo Illario Fratelli for Bulgari, a gold and enamel pill box, second half 20th century, of rectangular outline with an oval cross section, applied to the exterior with brown guilloché enamel, mounted in gold, the hinged lid opening to reveal a plain interior, measuring 4.3 x 3.0 x 1.3cm, signed Bulgari, maker's mark CIF for Carlo Illario Fratelli, stamped 750, faintly numbered, stamped with French import assay marks for 18ct gold, gross weight 36 grams